NC54398
Triphosphoric acid, P-[[(2S,5R)-5-[4-amino-5-[3-[[6-[[6-[[[4-[[[3′,6′-bis(dimethylamino)-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-5-yl]carbonyl]amino]-1-[(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-5-yl)carbonyl]-4-piperidinyl]carbonyl]amino]-1-oxohexyl]amino]-1-oxohexyl]am...